CHAPTER-01 ENVIRONMENTAL CHEMISTRY

Lye kxNÖB cÖKvwkZ n‡e ,ah©¨ mn A‡c¶v Ki‡Z n‡e A_ev Kj Ki‡Z n‡e

LECTURE MODULE-02

LECTURE MODULE-03

LECTURE MODULE-04

LECTURE MODULE-05

LECTURE MODULE-06

LECTURE MODULE-07

LECTURE MODULE-08